*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;list-style:none;
}
a{
    text-decoration: none;
}
body a:hover{
    text-decoration: none;
}
body{
    background-color: #f5f8fa !important;
}
.container{
    display: flex;
}
nav{
    height: 50px;
    line-height: 50px;
    background: #3097d1;
    border-bottom: 1px solid #1c73a5;
    margin-bottom: 30px;
}
nav img{
    width: 8%;
    height: 100%;
    float: left;
    padding-top: 13px;
}
nav li{
    float: left;
    margin: 0 20px;
}
nav .aa{
    margin-bottom: 0;
}
nav a{
    color: #cbe5f3;
}
nav .a1{
    color: #ffffff;
}
nav a:hover{
    text-decoration: none;
    color: #ffffff;
}
main{
    margin-bottom: 100px;
}
main .left{
    flex-shrink: 1;
}
main .center{
    flex-shrink: 2;
}
main .right{
    flex-shrink: 1;
}
main .left-top{
    width: 255px;
    border: 1px solid #d3e0e9;
    background-image: url("../img/iceland.jpg");
    background-repeat: no-repeat;
    background-size: 130%;
    text-align: center;
    background-color: #ffffff;
    border-radius: 5px;
    margin-bottom: 30px;
}
.left-top img{
    height: 100px;
    width: 100px;
    border-radius: 50%;
    border: 3px solid #fff;
    margin-top: 95px;
}
.left-top p{
    padding: 0 10px;
    margin-bottom: 25px;
}
.left-center{
    width: 255px;
    padding: 10px;
    background: #fff;
    border:1px solid #d3e0e9;
    margin-bottom: 25px;
}
.left-center p{
    margin-bottom: 6px;
}
.left-center span{
    color: #3097d1;
}
.left-bottom{
    width: 255px;
    padding: 7px;
    border:1px solid #d3e0e9;
    background: #ffffff;
}
.left-bottom ul{
    width: 240px;
    height: 115px;
    margin-bottom: 10px;
}
.left-bottom li{
    width:115px;
    height: 115px;
    float: left;
}
.left-bottom .dier{
    margin-left: 10px;
}
.left-bottom li img{
    height:100%;
    width:100%;
}
.center{
    margin-left: 20px;
}
.center-top{
    width: 565px;
    border:1px solid #d3e0e9;
    background: #ffffff;
    padding: 10px;
}
.center-top ul{
    width: 542px;
    height: 212px;
    margin-bottom: 10px;
}
.center-top .er{
    margin-left: 10px;
}
.center-top li{
    float: left;
}
.center-top img{
    height: 212px;
    width: 265px;
}
.center-top span{
    font-weight: bold;
}
.center-center{
    width:565px;
    border:1px solid #d3e0e9;
    background: #fff;
    padding: 20px;
    border-top: none;
}
.center-bottom{
    width: 565px;
    background: #ffffff;
    border:1px solid #d3e0e9;
    padding: 20px;
    border-top: none;
}
.center-bottom img{
    width: 100%;
    margin-bottom: 20px;
}
.right{
    margin-left: 20px;
}
.right-top{
    width: 255px;
    border:1px solid #d3e0e9;
    padding: 10px;
    background: #fff;
    margin-bottom: 25px;
}
.right-top img{
    width: 100%;
    margin-bottom: 10px;
}
.right-top a{
    padding:10px;
    background: #ffffff;
    border:1px solid #2a88bd;
    border-radius: 3px;
    color: #2a88bd;
    line-height: 55px;
    margin-top: 20px;
}
.right-center{
    padding: 10px;
    width: 255px;
    border:1px solid #d3e0e9;
    background: #ffffff;
}
.right-center img{
    float: left;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-top: 10px;
}
.c1{
    float: left;
    margin-top: 10px;
    margin-right: 10px;
}
.right-center p{
    display:block;
    float: left;
    margin-top: 10px;
}
.dd{
    margin-bottom: 10px;
}
.d1{
    display: block;
    float: left;
    margin-top: 10px;
    margin-right: 10px;
}

.right-center a{
    display: inline-block;
    padding: 4px 18px;
    background: white;
    border: 1px solid #2a88bd;
    border-radius: 3px;
    color: #2a88bd;
}
.right-bottom{
    width:255px;
    border:1px solid #d3e0e9;
    border-top: none;
    padding:10px;
    background: #ffffff;
}
footer{
    border-top:1px solid #d3e0e9;
    padding: 50px 410px;
}
.f-b li{
    float: left;
    margin: 0 30px;
}


/*   响应式  */
@media (min-width: 1200px) {
    .container{
        max-width: 1200px;
    }
}
@media (max-width: 600px){
    nav{
        width:100%;
    }
    nav li{
        margin: 0 12px;
    }
    nav img{
        display: none;
    }
    main .left{
        margin:auto;
        margin-bottom: 10px;
    }
    main .center{
        width: auto;
        display: flex;
        flex-wrap: wrap;
    }
    .container{
        flex-wrap: wrap;
    }
    .center{
        margin-left: 0;
    }
    .center-top{
        width:100%;
        padding: 10px;
        margin-left: 0;
    }
    .center-top ul{
        width:100%;
        height: 436px;
    }
    .center-center{
        width:100%;
        padding: 10px;
        margin-left: 0;
    }
    .center-bottom{
        width:100%;
        padding: 10px;
        margin-left: 0;
        margin-bottom: 10px;
    }
    .center-top .er{
        margin-left: 0px;
    }
    .center-top li{
        margin-bottom: 10px;
    }
    .right{
        margin: auto;
    }
    footer{
        width:100%;
        padding: 10px;
    }
    .f-b{
        margin-bottom: 50px;
    }
    .f-b li{
        margin: 0px 10px;
    }
    main .left-top{
        width: auto;
    }
    .left-center,.left-bottom,.right-top,.right-center,.right-bottom{
        width: auto;
    }
    .left-bottom ul{
        margin: auto;
    }
    .right-center .cc,.right-center .dd{
        height: 80px;
    }
    .c1,.d1{
        margin-top: 0px;
    }
    .right-center img{
        margin-top: 0px;
    }
    .right-center a{
        margin: 7px;
    }
}